Legacy Code Jobs in Yorkshire

1 to 25 of 37 Legacy Code Jobs in Yorkshire

Senior Software Engineer

huddersfield, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Langham Recruitment
SaaS | £55,000 – £65,000 DOE | Tech for Good Are you a passionate Full Stack Developer looking to make a real impact with your code? Join an award-winning EdTech SaaS company based in Huddersfield that's transforming education outcomes across the UK and internationally. You’ll be joining … Doing Collaborating in an agile, Scrum-based team to build and enhance features in our flagship education platform Solving complex problems through clean, maintainable code using best practices like SOLID, DRY, and test-first development Tracing and fixing bugs, refactoring legacy code, and contributing to architectural decisions … Advising Product Owners and cross-functional teams on technical feasibility and implementation strategies Taking the technical lead on greenfield and legacy projects alike Role Requirements 5+ years of commercial software development experience .NET/C# – including object-oriented design, greenfield dev, and working with legacy systems SQL – advanced More ❯
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Senior Software Engineer

leeds, west yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Langham Recruitment
SaaS | £55,000 – £65,000 DOE | Tech for Good Are you a passionate Full Stack Developer looking to make a real impact with your code? Join an award-winning EdTech SaaS company based in Huddersfield that's transforming education outcomes across the UK and internationally. You’ll be joining … Doing Collaborating in an agile, Scrum-based team to build and enhance features in our flagship education platform Solving complex problems through clean, maintainable code using best practices like SOLID, DRY, and test-first development Tracing and fixing bugs, refactoring legacy code, and contributing to architectural decisions … Advising Product Owners and cross-functional teams on technical feasibility and implementation strategies Taking the technical lead on greenfield and legacy projects alike Role Requirements 5+ years of commercial software development experience .NET/C# – including object-oriented design, greenfield dev, and working with legacy systems SQL – advanced More ❯
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Software Engineer (Internal Tools Lead)

wakefield, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Software Engineer (Internal Tools Lead)

york, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Software Engineer (Internal Tools Lead)

doncaster, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Software Engineer (Internal Tools Lead)

bradford, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Software Engineer (Internal Tools Lead)

leeds, west yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Software Engineer (Internal Tools Lead)

sheffield, south yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Software Engineer (Internal Tools Lead)

kingston upon hull, east yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
fanvue
and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency More ❯
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Senior C++ Developer - Technical Lead / Mentor

york, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
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Senior C++ Developer - Technical Lead / Mentor

doncaster, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
Posted:

Senior C++ Developer - Technical Lead / Mentor

wakefield, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
Posted:

Senior C++ Developer - Technical Lead / Mentor

bradford, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
Posted:

Senior C++ Developer - Technical Lead / Mentor

leeds, west yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
Posted:

Senior C++ Developer - Technical Lead / Mentor

sheffield, south yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
Posted:

Senior C++ Developer - Technical Lead / Mentor

kingston upon hull, east yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Glasswall
Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong More ❯
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Engineering Manager

york, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
Posted:

Engineering Manager

bradford, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
Posted:

Engineering Manager

doncaster, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
Posted:

Engineering Manager

wakefield, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
Posted:

Engineering Manager

leeds, west yorkshire, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
Posted:

Engineering Manager

sheffield, south yorkshire, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
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Engineering Manager

kingston upon hull, east yorkshire, yorkshire and the humber, United Kingdom
THRYVE
Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯
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Senior Java Engineer

doncaster, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Primis
meetups 🕒 Full-time | Salary: £70,000 – £90,000 What you’ll be doing Develop and maintain Java-based systems across multiple businesses Gradually modernise legacy code, introducing cleaner architecture and better development practices Work closely with onshore and offshore teams to deliver secure, stable solutions Identify opportunities for … our future stack Support a secure and compliant development environment What we’re looking for Solid Java development experience Comfortable working with and improving legacy codebases Familiarity with AWS and cloud-based systems Good communication skills and collaborative mindset Experience in (or interest in) regulated, secure software environments Bonus More ❯
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Senior Java Engineer

wakefield, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Primis
meetups 🕒 Full-time | Salary: £70,000 – £90,000 What you’ll be doing Develop and maintain Java-based systems across multiple businesses Gradually modernise legacy code, introducing cleaner architecture and better development practices Work closely with onshore and offshore teams to deliver secure, stable solutions Identify opportunities for … our future stack Support a secure and compliant development environment What we’re looking for Solid Java development experience Comfortable working with and improving legacy codebases Familiarity with AWS and cloud-based systems Good communication skills and collaborative mindset Experience in (or interest in) regulated, secure software environments Bonus More ❯
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